Top dead-centre definitions
| Word backwards | pot ertnec-daed |
|---|---|
| Part of speech | The word "top dead-centre" can be considered a compound noun. |
| Syllabic division | top dead-cen-tre |
| Plural | The plural of "top dead-centre" is "top dead-centres." |
| Total letters | 13 |
| Vogais (3) | o,e,a |
| Consonants (6) | t,p,d,c,n,r |
Top dead-centre, also known as TDC, refers to the point in the piston's stroke where it reaches its highest position in the cylinder. This is a crucial point in the operation of an engine, specifically in relation to the timing of the combustion process.
The Importance of Top Dead-Centre
At top dead-centre, the piston is at its closest point to the cylinder head. This is where the combustion chamber is at its smallest volume. It is essential for the timing of the ignition of the air-fuel mixture, as it ensures optimal efficiency and power output from the engine.
Understanding Engine Timing
Engine timing plays a critical role in the performance of an internal combustion engine. By precisely determining when the spark plug ignites the air-fuel mixture at top dead-centre, engineers can maximize the engine's power output and efficiency.
Measuring Top Dead-Centre
There are various methods used to determine when the piston is at top dead-centre. This often involves the use of timing tools and sensors to accurately measure the position of the piston in the cylinder.
Conclusion
Top dead-centre is a critical point in the operation of an engine, influencing the timing of the combustion process and overall performance. By accurately measuring and timing the piston at TDC, engineers can optimize the efficiency and power output of internal combustion engines.
Top dead-centre Examples
- The engine reached top dead-centre before the explosion occurred.
- Mechanics often use a timing light to find the top dead-centre of an engine.
- The piston was at top dead-centre when the spark plug ignited.
- The technician adjusted the timing belt to ensure the piston hit top dead-centre accurately.
- The motorcycle engine needed to be at top dead-centre for the valves to be adjusted properly.
- The car stalled because the piston did not reach top dead-centre as expected.
- The mechanic rotated the crankshaft until the piston was at top dead-centre.
- The engine design included a sensor to detect when the piston reached top dead-centre.
- The timing of the fuel injection system was crucial for the piston to hit top dead-centre accurately.
- The operator manually turned the engine until it reached top dead-centre for maintenance purposes.